/*html{*/
/*    width: 100%;*/
/*    height: 100%;*/
/*}*/
/*body{*/
/*    width: 100%;*/
/*    height: 100%;*/
/*}*/
/* ============================== 添加课程的框架 =========================== */
#addCourse {
    width: 100%;
    height: 100%;
    /*background-color: #efa2a9;*/
}

/* ====================== 每一步的div ====================== */
.step {
    width: 90%;
    height: 100%;
    /*background-color: #abdde5;*/
    margin: 0 auto;
}

/* =============== 步骤状态的样式 =============== */
.show_step {
    width: 100%;
    height: 17%;
    /*background-color: #fd7e14;*/
}

/* ====== 步骤1,2,3 ======*/
.step_div {
    width: 20%;
    height: 100%;
    /*background-color: lightsteelblue;*/
    float: left;
}

/* step icon */
.circle {
    width: 20%;
    height: 40%;
    border-radius: 50%;
    font-size: 20px;
    float: left;
    text-align: center;
    line-height: 220%;
    border: gray 1px solid;
    color: gray;
    margin-top: 17%;
    margin-left: 20%;
}

.step_info {
    font-size: 20px;
    float: left;
    margin-top: 20%;
    margin-left: 5%;
    color: gray;
}

/* ====== 连接线 ======*/
.as_line {
    width: 20%;
    height: 3%;
    background-color: lightgrey;
    margin-top: 5%;
    float: left;
}

/* =============== 填写课程的信息 =============== */
.course_info {
    width: 80%;
    height: 83%;
    /*background-color: #71dd8a;*/
    margin-left: 4%;
}
.info_input{
    width: 90%;
    height: 10%;
    /*border: #c82333 1px solid;*/
}
.input_lg{
    height: 20%;
}
.input_name{
    width: 10%;
    height: 100%;
    /*background-color: #f1b0b7;*/
    line-height: 200%;
    float: left;
}
.input_body{
    width: 90%;
    height: 100%;
    line-height: 200%;
    float: left;
}
/*图片上传预览*/
.btnWrap {
    width: 100px;
    height: 100px;
    position: relative;
}
.upload {
    width: 100px;
    height: 100px;
    background: url("../img/uploadImg.png") no-repeat;
    position: absolute;
    left: 0;
    top: 0;
}
.upload.ts {
    background-size: 100px 100px;
}
.file {
    width: 100px;
    height: 100px;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 10;
    opacity: 0
}